#!/bin/sh

# Taken from https://github.com/rclone/rclone/wiki/rclone-mount-helper-script

remote=$1
mountpoint=$2
shift 2

# Process -o parameters
while getopts :o: opts; do
    case $opts in
        o)
            params=${OPTARG//,/ }
            for param in $params; do
                if [ "$param" == "rw"   ]; then continue; fi
                if [ "$param" == "ro"   ]; then continue; fi
                if [ "$param" == "dev"  ]; then continue; fi
                if [ "$param" == "suid" ]; then continue; fi
                if [ "$param" == "exec" ]; then continue; fi
                if [ "$param" == "auto" ]; then continue; fi
                if [ "$param" == "nodev" ]; then continue; fi
                if [ "$param" == "nosuid" ]; then continue; fi
                if [ "$param" == "noexec" ]; then continue; fi
                if [ "$param" == "noauto" ]; then continue; fi
                if [[ $param == x-systemd.* ]]; then continue; fi
                trans="$trans --$param"
            done
            ;;
        \?)
            echo "Invalid option: -$OPTARG"
            ;;
    esac
done

# exec rclone
trans="$trans $remote $mountpoint"
# NOTE: do not try "mount --daemon" here, it does not play well with systemd automount, use '&'!
# NOTE: mount is suid and ignores pre-set PATHs -> specify explicitely
PATH=$PATH rclone mount $trans </dev/null >/dev/null 2>/dev/null &

# WARNING: this will loop forever if remote is actually empty!
until [ "`ls -l $mountpoint`" != 'total 0' ]; do
    sleep 1
done
